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Bow Facing Oar
Patent for an oar facing the bow side of the craft. The invention allows for the rower to sit facing the direction of movement of the boat and be able to apply greater amounts of exertion. Illustration included.
Date:
October 23, 1906
Creator:
Case, William C.
System:
The Portal to Texas History
Wheel.
Patent for an improved and resilient spring wheel for a vehicle.
Date:
December 23, 1913
Creator:
Collinsworth, John W.
System:
The Portal to Texas History
Lumber-Stacker.
Patent for a certain new and useful improvement in lumber stackers, including instructions and illustrations.
Date:
May 23, 1899
Creator:
Coleman, Thomas A.
System:
The Portal to Texas History
Electrode for Secondary Batteries.
Patent for improvements in the manufacture of electrodes for storage batteries or accumulators by using “two corresponding plates, each having flanges on three sides of one face, said plates being united to form a central space open at top by securing together corresponding flanges on the respective plates.” (Lines 5-9, page 2) Illustration is included.
Date:
June 23, 1891
Creator:
Anderson, Boyd
System:
The Portal to Texas History
Tension Device for Band-Saw Mills.
Patent for "a new and useful improvement in tension devices for band-saw mills; and it consists, generally stated, in mounting the upper wheel in standards which are vertically movable in suitable guideways, said standards being secured to the plunger or cylinder of a direct-acting medium, such as compressed air." (Lines 24-31) Includes instructions and illustrations.
Date:
March 23, 1897
Creator:
Coleman, Thomas A. & Coleman, Nathan
System:
The Portal to Texas History